[sdfghderwg]

I guess I'm having the same struggle as nfin.

> The main condition is an environment without oxygen and the presence of proteins, which happen both in sealed oil-garlic containers.

This seems such a general condition... in first approximation, sealed containers with anything at home are sealed containers with proteins...

[ermir]

Most factory-made food has preservatives and other stuff that stabilize the food and prevent botulism. In particular many foods use vinegar to increase acidity and make it impossible for botulism to bloom.